After reading nearly all of posts about that topic, I felt had to register (reading reddit about years ) reddit and write a comment. I am a Turkish guy that computer scientist plus dedicated gamer about 15 years. I noticed something realy weird about Turkish community on internet in these 15 years of gaming, surfing internet etc... Simply, Turkish community is totally toxic on internet. The reasons I believe this toxicty comes from are listed below:
-Turkish culture pleased with power. Jugdmental and contemptuous behaviors that make feel people have a power on someone. In a rule free enviroment ( that i mentioned in first reason ) it comes with handy.
I think seperating nations on lol servers relays on that reasons. If you look tr,ru, br you can see similar communities that share same problems that i mentioned. Also seeing more hacks , boosting ... etc on that servers are not a suprising fact. It relays on same problems.
In a conclusion, I think the main problem doesn't come from Riot Policy on that servers, problem comes from community that has to be seperated from others in the beginning.
Please don't take my theory offensive , I'm trying to make a self-critizim as a Turkish guy.
Sorry for my English as you see I'm not a native speaker and It's 03 am in here and possibly many spelling errors can be made.